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• eco
  eco

  adjective

  ecological or environmental.
• Eco
  Eco

  noun

  Umberto, 1932–2016, Italian novelist and philosopher.
• eco-
  eco-

  a combining form representing ecology in the formation of compounds (ecosystem; ecotype ); also with the more general sense “environment,” “nature,” “natural habitat” (ecocide; ecolaw; ecopolitics ).

eco

¹ American  

[ek-oh, ee-koh] / ˈɛk oʊ, ˈi koʊ /

adjective

1. ecological or environmental.

2. not harmful to the environment.

   an eco resort with no air conditioning.

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noun

1. ecology.

Eco ² American  

[ek-oh, e-kaw] / ˈɛk oʊ, ˈɛ kɔ /

noun

1. Umberto, 1932–2016, Italian novelist and philosopher.

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eco- ³ American  

1. a combining form representing ecology in the formation of compounds (ecosystem; ecotype ); also with the more general sense “environment,” “nature,” “natural habitat” (ecocide; ecolaw; ecopolitics ).

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eco ¹ British  

/ ˈiːkəʊ /

noun

1. 1. short for ecology

   2. ( as modifier )

      an eco group

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Eco ² British  

/ ˈɛkəʊ /

noun

1. Umberto. born 1932, Italian semiologist and writer. His novels include The Name of the Rose (1981) and Foucault's Pendulum (1988)

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eco- ³ British  

combining form

1. denoting ecology or ecological

   ecocide

   ecosphere

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Etymology

Origin of eco

First recorded in 1985–90

Example Sentences

Jean Bosco Nzeyimana of Rwanda, who is the founder and CEO Of Habona Ltd., a company that uses biomass and waste to develop eco- friendly fuels that are used in rural Africa.

From Time • Jun. 24, 2016

“Our clients in particular are eco- and health-minded, and the grown look certainly suits a girl who is more au naturel.”

From New York Times • Jan. 29, 2014

Whatever the airport's main function may be, locals are hoping for a boost to the region's eco- and historical tourism.

From BBC • Aug. 23, 2012

Among the biggest bugbears revealed in the consultation document – the draft ppdate guidance on green claims - are general, untestable claims like products being "eco-" or "environmentally friendly".

From The Guardian • Mar. 23, 2010

And in a recession, there will be few barons, eco- or otherwise, left standing.

From Time Magazine Archive